BR9606709A - Pipe leak detection device - Google Patents

Pipe leak detection device

Info

Publication number
BR9606709A
BR9606709A BRPI9606709-8A BR9606709A BR9606709A BR 9606709 A BR9606709 A BR 9606709A BR 9606709 A BR9606709 A BR 9606709A BR 9606709 A BR9606709 A BR 9606709A
Authority
BR
Brazil
Prior art keywords
detection device
leak detection
pipe leak
pipe
leak
Prior art date
Application number
BRPI9606709-8A
Other languages
Portuguese (pt)
Inventor
Kunio Kimata
Yasukiyo Ueda
Shinichi Nakane
Mitsuo Namba
Original Assignee
Matsushita Electric Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BR9606709A publication Critical patent/BR9606709A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Measuring Volume Flow (AREA)
BRPI9606709-8A 1995-10-17 1996-10-15 Pipe leak detection device BR9606709A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP07268454A JP3105433B2 (en) 1995-10-17 1995-10-17 Piping leak detection device
PCT/JP1996/002978 WO1997014945A1 (en) 1995-10-17 1996-10-15 Piping leakage detecting apparatus

Publications (1)

Publication Number Publication Date
BR9606709A true BR9606709A (en) 2008-06-10

Family

ID=17458737

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9606709-8A BR9606709A (en) 1995-10-17 1996-10-15 Pipe leak detection device

Country Status (10)

Country Link
US (1) US5866802A (en)
JP (1) JP3105433B2 (en)
KR (1) KR100262298B1 (en)
CN (1) CN1129781C (en)
BR (1) BR9606709A (en)
ID (1) ID16475A (en)
MY (1) MY118750A (en)
RU (1) RU2131595C1 (en)
TW (1) TW323327B (en)
WO (1) WO1997014945A1 (en)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306671B (en) * 1995-10-19 2000-03-15 British Gas Plc Method and apparatus for testing a fluid conduit system for leaks
US6012482A (en) * 1997-01-30 2000-01-11 Djt Products, Inc. Line break detector for pressurized fluid pumping systems
TW472140B (en) * 1998-09-11 2002-01-11 Matsushita Electric Ind Co Ltd Gas leak detection system
IT1313369B1 (en) * 1999-09-22 2002-07-23 Air Liquide Italia S R L PROCEDURE AND DEVICE TO AVOID THE CONTAMINATION OF A UNCANALIZATION OR OF A RETICLE THAT VEHICLES A GAS.
DE19959115C1 (en) * 1999-12-08 2001-05-10 Innovatherm Prof Dr Leisenberg Gmbh & Co Kg Determining pressure losses in pressure line comprises adding adjustable amount of stopped medium to pressure line which is connected to pressure control device in specified time interval
JP2003090777A (en) * 2001-09-20 2003-03-28 Ito Koki Kk Gas leakage detector
US6923206B2 (en) * 2002-10-28 2005-08-02 Brass Craft Manufacturing Company Excess flow valve with magnet
JP4085793B2 (en) * 2002-11-22 2008-05-14 トヨタ自動車株式会社 Fluid leak detection device
KR100878681B1 (en) * 2002-12-10 2009-01-13 주식회사 포스코 An Apparatus for Controlling Driving Air Pressure for Pneumatic Valve
ITMO20030028U1 (en) * 2003-07-30 2005-01-31 A T E Elettronica S R L ELECTRONIC LEAK MEASUREMENT SENSOR FOR PRESSURE FALLS.
EP1517128A3 (en) * 2003-09-04 2005-05-11 Robert Maxwell Pickering Device and method for testing the fluid-tightness of a system by monitoring pressure
US7464721B2 (en) * 2004-06-14 2008-12-16 Rosemount Inc. Process equipment validation
US8166999B2 (en) * 2004-10-20 2012-05-01 Panasonic Corporation Gas block device and gas block method
CN100456010C (en) * 2005-06-01 2009-01-28 天津大学 Method for detecting leakage of oil gas pipe based on pressure signal knee
FR2887332B1 (en) * 2005-06-16 2007-09-21 Gaz De France METHOD AND SYSTEM FOR EVALUATING THE SEALING OF A HIGH-PRESSURE FUEL GAS STORAGE DEVICE
US7717294B2 (en) * 2005-06-20 2010-05-18 South-Tek Systems Beverage dispensing gas consumption detection with alarm and backup operation
JP2007265669A (en) * 2006-03-27 2007-10-11 Osaka Gas Co Ltd Leak detecting method in fuel cell power generation system
GB2441788B (en) * 2006-09-15 2011-11-09 Studor Sa Method and equipment for detecting sealing deficiencies in drainage and vent systems for buildings
US8061184B2 (en) * 2008-01-16 2011-11-22 Brown Geoffrey P Method and system for monitoring gas leaks by amplification of flow
JP5739084B2 (en) * 2008-05-15 2015-06-24 矢崎エナジーシステム株式会社 Gas leak detection device
US8033161B2 (en) * 2008-07-01 2011-10-11 Msx, Incorporated Antenna leak detection device and method
JP5252718B2 (en) * 2008-10-23 2013-07-31 パナソニック株式会社 Fluid shut-off device
FR2939889B1 (en) 2008-12-12 2011-01-21 Parker Lucifer Sa DEVICE AND METHOD FOR DETECTING LEAK
US8174398B2 (en) * 2009-07-31 2012-05-08 Abraham Wien Leak sensor monitor
US20110248855A1 (en) * 2009-10-05 2011-10-13 Brown Geoffrey P Method and system for analyzing variations in monitored gas flow using flow signal analysis and amplification
FR2953557B1 (en) * 2009-12-07 2012-03-02 Ge Energy Products France Snc METHOD FOR DETECTING LIQUID FUEL LEAKAGE IN GAS TURBINE
CN102213363B (en) * 2010-04-01 2013-11-06 财团法人交大思源基金会 Leakage detection method and device for pipeline network
JP2012119201A (en) * 2010-12-02 2012-06-21 Toshiba Fuel Cell Power Systems Corp Fuel cell power generating system, and leakage detecting method of the same
CN102169043B (en) * 2010-12-30 2012-11-21 北京光华纺织集团有限公司 System for detecting gas leakage
CN102654429A (en) * 2011-03-04 2012-09-05 江苏振华轨道交通设备有限公司 Gas tightness test method for high-strength aluminum alloy complex hole system integrated plate
NL2006387C2 (en) * 2011-03-14 2012-09-17 R P Van Der Donk Beheer B V Arrangement comprising a gas delivery control system and a central heating installation and gas delivery control method.
CN102426083A (en) * 2011-08-18 2012-04-25 奇瑞汽车股份有限公司 Leak detection apparatus of automotive air conditioning system pipeline
CN102384831B (en) * 2011-11-04 2013-09-18 中国石油集团川庆钻探工程有限公司长庆固井公司 Method for detecting high-pressure manifold piece and pressure container such as vertical tank and the like
GB2500998B (en) 2012-03-19 2019-01-16 Ulc Robotics Inc System and Method for Automated Integrity Testing
CN102636322B (en) * 2012-04-26 2014-08-20 杨礼康 Gas tightness/air permeability automatic detecting device for infusion apparatus and detecting method utilizing same
CN102829929B (en) * 2012-08-12 2015-12-23 梁启明 Gas leak detection device between the needle stand of transfusion device and woven hose
ITPD20130186A1 (en) * 2013-07-02 2015-01-03 Sit La Precisa S P A Con Socio Uni Co METHOD OF MONITORING THE OPERATION OF A BURNER
US10184678B2 (en) 2013-09-06 2019-01-22 Carrier Corporation System and method for measuring duct leakage in a HVAC system
CN103743415B (en) * 2014-01-17 2016-10-05 特福隆（上海）科技有限公司 A kind of low-power consumption pressure transmitter with pressure drop rate detection
KR102379164B1 (en) 2014-07-29 2022-03-25 삼성전자주식회사 Method of automatic inspection to gas internal leak and method of LED chip manufacture
CN105240689B (en) * 2015-10-21 2018-05-04 长江大学 A kind of natural gas line conveys gas leak detection device
CN105334010A (en) * 2015-12-10 2016-02-17 广西玉柴机器股份有限公司 Intelligent detection system for gas leakage of natural gas engine
US11620553B2 (en) 2016-04-21 2023-04-04 Utopus Insights, Inc. System and method for forecasting leaks in a fluid-delivery pipeline network
DE102017110112A1 (en) * 2017-05-10 2018-11-15 Grohe Ag A method for detecting a leakage in a liquid line and a water meter with a controller for performing the method
CN108167658B (en) * 2018-01-04 2020-03-03 浙江大学 Detection system and detection method for detecting indoor pipeline leakage by using travel switch
EP3805712B1 (en) * 2018-06-08 2022-10-19 Panasonic Intellectual Property Management Co., Ltd. Gas safety device
US10746406B2 (en) 2018-09-18 2020-08-18 Georg Fischer Central Plastics Llc Breaker box assembly
CN109357167B (en) * 2018-10-30 2020-08-25 长春市万易科技有限公司 Gas pipeline leakage point detection device and detection method
CN109630900A (en) * 2018-11-16 2019-04-16 亿利洁能科技（颍上）有限公司 A kind of jet chimney leak detection system
CN109612641B (en) * 2019-01-30 2020-09-08 博纳斯威阀门股份有限公司 Ball valve sealing performance testing equipment and detection method
JP2021019137A (en) * 2019-07-22 2021-02-15 株式会社ディスコ Holding device and processing device
CN111006136A (en) * 2019-11-21 2020-04-14 青岛海尔滚筒洗衣机有限公司 Gas leakage detection method of gas equipment and gas equipment
US11473957B2 (en) 2020-01-02 2022-10-18 Georg Fischer Central Plastics Llc Meter bypass assembly having a housing including valve bodies rotationally fixed to opposing ends of a shaft
CN112233370B (en) * 2020-09-28 2022-08-30 广州广燃设计有限公司 Gas leakage alarm method, device and equipment
US11525754B2 (en) * 2020-10-30 2022-12-13 Honeywell International Inc. Leak detection system and method
JP6956989B1 (en) * 2021-02-12 2021-11-02 東京瓦斯株式会社 Gas pipe airtightness inspection device, gas pipe airtightness inspection system and program
CN113790856B (en) * 2021-11-17 2022-03-08 济宁康华机电科技有限公司 Fuel pipe leakproofness detection mechanism
WO2024004535A1 (en) * 2022-06-29 2024-01-04 株式会社フジキン Control valve seat leak detection method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54140585A (en) * 1978-04-24 1979-10-31 Diesel Kiki Co Fluid circuit leakage detector
US4850530A (en) * 1987-12-15 1989-07-25 Johnson Service Company Gas valve using modular construction
DE3905054C1 (en) * 1989-02-18 1990-04-19 Danfoss A/S, Nordborg, Dk
JPH07109380B2 (en) * 1991-03-14 1995-11-22 工業技術院長 Gas leak detector
DE69313230T2 (en) * 1992-10-05 1998-02-19 Matsushita Electric Ind Co Ltd Method and device for detecting abnormalities in a gas supply system

Also Published As

Publication number Publication date
JPH09113400A (en) 1997-05-02
ID16475A (en) 1997-10-02
CN1166201A (en) 1997-11-26
WO1997014945A1 (en) 1997-04-24
RU2131595C1 (en) 1999-06-10
TW323327B (en) 1997-12-21
KR100262298B1 (en) 2000-07-15
CN1129781C (en) 2003-12-03
MY118750A (en) 2005-01-31
JP3105433B2 (en) 2000-10-30
US5866802A (en) 1999-02-02
KR987000559A (en) 1998-03-30

Similar Documents

Publication Publication Date Title
BR9606709A (en) Pipe leak detection device
DE69631750D1 (en) OBJECT DETECTION DEVICE
DE69633057D1 (en) AIR DETECTION DEVICE FOR INTRAVENOUS PIPE
DE69620554D1 (en) Pipe connecting device
DE69700690D1 (en) Pipe connection device
DE69623539D1 (en) Position detection device
BR9607102A (en) Sealing device
DE69614307D1 (en) Detection gas leak detector
DE59608134D1 (en) Position detection device
KR960031650U (en) Sewer pipe sealing device
DE69521818D1 (en) Misfire detection device
KR970014267U (en) Valve leak detection device
KR970010262U (en) Piping leakage blocking device
KR970010694U (en) Leak Detection Device
KR970009687U (en) Water leak detection device for water purifier
KR960035400U (en) Address shift detection device
KR970024465U (en) Piping fluid leak detection device
DK0809797T3 (en) Interferometric detection device
KR960018428U (en) Fluid detection device
KR970025826U (en) Tube Defect Detection Device
KR970000630U (en) Seam tracker detection device
KR960034125U (en) Vehicle Object Detection Device
KR970015684U (en) Important Object Detection Device
KR960027653U (en) Exhaust system with leak detection line
BR9503108A (en) Leak detector

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HHFI Decision: rectification
FG9A Patent or certificate of addition granted
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 18A E 19A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2344 DE 08-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.